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I have an old house with pine sash windows, not sure how old but they are in good nick because I keep them well covered with paint outside, varnish inside. The house has solid brick walls, no cavity. The problem is, three windows on the NE facing side of the house all let in water at the...

Thanks for the detailed info Chris. Apart from the draining and flushing with gunge remover it sounds a bit iffy, I know my limitations. I'll have a go at that and if it doesn't work I'll "Get the man in!" Thanks for the response anyway.

So what's the procedure then? Drain out existing liquid (furnox and water mixture), fill up with fresh water and some descaling agent ( what's the best stuff?). Fire up and leave for a while (?) to descale pipes and rads. Drain out and fill up with fresh water and furnox or some other inhibiter...

You are probably correct in your reply, it's just that when I bleed that radiator there appears to be almost no pressure forcing the air out and I have checked the CH header tank and that is full. It is a small tank but there is still a couple of gallons of water sitting about six feet above the...

Oil fired central heating system, pumped radiators, gravity hot water. A past boiler (solid fuel) required a "fuse" radiator to be connected across the gravity hot water system near the hot water cylinder in case the old solid fuel boiler overheated I suppose. That radiator is still there but...